Adolph w



A. W. MAGERHANS.

Jewelry. No. 231,433. Patented Aug. 24,1880.

UNITED STATES PATENT OFFICE.

ADOLPH W. MAGERHANS, 0F NEW YORK, N. Y.

JEWELRY.

SPECIFICATION formingpart of Letters Patent N0. 231,433, dated August 24, 1880.

Application filed November14, 1879.

To all whom it may concern:

Be it known that I, ADOLPH W. MAGER- HANS, of New York, in the State of New York, have invented anew and useful Improvement in Jewelry, of which the following is a specilication.

The nature of my invention consists in the arrangement of a hook-ring or plain band on jewelry made of stone, glass, or similar materials in such a manner that the band shall be perfectly secure and capable ot turning freely all around. For this purpose a suitable groove or recess is turned or cut in the article, into which a split ring is bent or sprung, and to which the solid hook-ring or outer band is then soldered. This inner ring will keep the outer band secure in its place or recess and allow the same to turn freely around.

In the accompanying drawings, Figure I represents a cross-bar for a watchchain with turning ring attached embodying my invention. Fig. Il is a longitudinal section of the same on an enlarged scale.

My invention is more particularly intended for parts et' jewelry made of onyx or other Valuable stone, but is likewise applicable to any other material, such as glass or imitations of stones, which do not allow soldering.

I am aware that rings capable of turning freely upon the article have heretofore been attached to jewelry made ot' similar material by attaching two bands or rings to the article, between which the turning ring has been placed; but this arrangement, independent of the amount of labor and cost, requires a considerable space of the material to 'oe covered by these bands and rings, while in jewelry `be cut or ground in the material.

made of onyx or other precious stones it is Very desirable to cover as little as possible the surface of the article.

A represents a piece of jewelry consisting of a cross-bar for the end ot' a watch-chain, and B the turning ring,` provided with the usual hook or ring a, to which the chain is attached. At that part ofthe article where the turning ringB is to be attached I makea recess or groove, n, in the article A, which can easily Into this recess or groove a ring, c, ot' soft metal, such as brass or copper, is litted and sprung into its place, as this inner ring, o, need not be solid. rlhe outside ot' this ring i; should not project above the outer surface or circumference of the adjoining part of the article, and the diameter ot this part of the article. is generally made slightly larger than the remaining part to allow the solid outer band to pass freely over the same. The ring B, made of gold or any other desirable metal, is then passed over and above the inner ring, n, and soldered to the saine by soft solder. The ring B may be made wider than the inner ring, c, if desired, to cover any recess between the edges of the ring e and the sides of the groove a.

NVhat l claim as my invention, and desire to secure by Letters Patent, is

In articles ofjewelry provided with a recess or groove, a, turned or cut into the same, the outer band or ring, B, in combination with an inner split ring, c, titting into the groove a, and fastened together substantiall yin the manner and for the purpose described.

ADOLPH W. MAGERHANS.

Vitnesses HENRY E. RoEDER, HENRY VAN BLAEcoM. 

